Finding the Third Proportional to 7,168.88 and 15,721.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,168.88 : 15,721.50 = 15,721.50 : x
2. Step 2: Convert to fraction form
   7,168.88/15,721.50 = 15,721.50/x
3. Step 3: Cross multiply
   7,168.88x = 15,721.50 × 15,721.50
4. Step 4: Simplify right side
   7,168.88x = 247,165,562.25
5. Step 5: Solve for x
   x = 247,165,562.25/7,168.88
6. Step 6: Final answer
   x = 34,477.59